Attachment D. Design and Specifications.pdf
PDF 696 KB Posted
- Attached to
- Lone Madrone Corrals Replacement Project
- Solicitation number
- RFB-0000000027
- Issued by
- San Mateo County, San Bernardino City, California
About this file
Attachment D is a design and specification document for the Lone Madrone Corrals Replacement Project issued by the Midpeninsula Regional Open Space District in California. The project involves removing existing wooden corrals and infrastructure on the Lone Madrone Grazing Unit and constructing new livestock management facilities, including processing pens, alleys, a "bud box", lead-up areas, a squeeze/chute, gooseneck and semi-truck load-out zones, and associated gates. The project has a detailed timeline, with bid proposals due by 12:00 PM on June 4, 2025, a mandatory pre-bid meeting and site visit on May 13, 2025, contract award anticipated on June 25, 2025, and construction scheduled to be completed by September 30, 2025. The project requires a Class B-General Building Contractor or Class C-13 Fencing Contractor license.
The bid documents include detailed specifications for wildlife-friendly livestock fencing, 6-rail pipe fencing, and 4-rail HDPE fencing, with precise installation requirements such as 30-inch post burial depth, specific rail spacing, and mounting techniques. The project includes a bid alternate for removing 4-rail wooden fencing and replacing it with HDPE fencing, and installing two heavy-duty gates. Contractors are expected to include costs for vegetation removal and site clearance in their proposals. The specifications provide comprehensive technical details for corral design, load-out configuration, fence construction, and material treatments, including requirements for pipe painting and post installation.
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Text version
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52'x14' alley constructed with 2 7/8 top rail, 4 rails >2" with 2x10 pressure treated boards mounted between 2nd and 3rd rails
20'x14' bud box
14' gate with solid wall closes off bud box.
overhead brace on gateway bud box constructed with 2 7/8 top rail, 4 rails >2" with 2x10 pressure treated boards mounted between middle 3 rails sliding gates at left corners of bud box to close off race and loadout
3' x24' load out platform is 40" from ground
8' gooseneck load out gate swings in off load out
10' gooseneck wing gate swings out from bud box. wing gate has drop peg to lock in place process sort pen constructed with 2 7/8 top rail, 4 rails >2" with 2x10 pressure treated boards mounted between 2nd and 3rd rails
14' gate in front of chute overhead brace to corner of load pen gate swings to sort three ways out of chute process pen, load pen and process sort pen
6' gate swings off corner of load pen to block chute work area chute work area
45'x 36' load pen left and top sides constructed with sucker rod right and bottom constructed same as alley
14' intersection with overhead braces gates on right left and bottom sides
48'x74' branding pen all 4 sides constructed with 2 7/8 top rail and 5 rails of 1' sucker rod posts 8 ft spacing at least 60" hight
12' entry gate to parking lot with overhead brace
12' entry gate to old corral with overhead brace
6' 5 3/8"
4' 0"6' 1 1/8"
4' man gate
4 rivers leadup 3x7'x3' sections total length 21'
6' gate for chute access
Attachment D-1. Corral Design
Process sort pen, bud box, and alley shall be lightly graded before construction to remove vegetation and provide for flat, elevated working surace.
*All metal pipe used for corral shall be C-class oil-field pipe. After construction, pipe shall be pre-treated with Rust Cure Paint Pretreatment,or approved equal, and then painted white with Rust-oleum Aluminum Paint, or approved equal.*
3' man gate fla t fla t sta ir sta ir sta ir sta ir s l o p e d u p s l o p e d u p gooseneck loadout gate wall sections on inside of curve are 4' between posts stairs use 2"x10" pressure treated slope up, platform and catwalk platform use 2"x12" pressure treaded laid long ways with angle iron supports underneath upright posts and top rail are 2 7/8" middle 4 rails are at least 2" diameter spaced 10" between. 2"x10" pressure treated boards mounted between bottom 4 rails and ground height of top rail 62" height of platform is 40"
4' man gate at top of platform for truck access. hinges on truck side of platformw stairs to platform are 10" step up overhead braces are 7' high from platform and ground level load out is angled for straight shot side load from load out to rocking martini gate curve is split into three curved sections with 4' inside wall of curve on all 3 sections gooseneck load out section is straight load out width is 3' between posts catwalk width is 3' between posts curve curve curve gooseneck load out gate
Attachment D-2.
Loadout Design
Attachment D-3. HDPE 4-rail Fence Specifications
File details come from the government source that posted it. Updated .